Added small cli for templating leetcode exercises

cli.py

@@ -0,0 +1,41 @@
+import click
+import jinja2
+from os import path
+
+
+class LeetCode:
+    @staticmethod
+    def filename_from_url(url: str) -> str:
+        num = input("Number: ")
+        name = url.split("/")[4].replace("-", "_")
+        return f"{num}_{name}.py"
+
+
+@click.group()
+@click.option("--template-dir", default="./templates")
+@click.pass_context
+def cli(ctx: click.Context, template_dir: str):
+    ctx.obj["template"] = jinja2.Environment(
+        loader=jinja2.FileSystemLoader(template_dir)
+    )
+
+
+@cli.command()
+@click.pass_context
+@click.argument("url")
+def leetcode(ctx: click.Context, url: str):
+    file_path = path.join("leetcode", LeetCode.filename_from_url(url))
+    if path.exists(file_path):
+        print("File already exists")
+        return 1
+
+    templates: jinja2.Environment = ctx.obj["template"]
+    templ = templates.get_template("leetcode.j2")
+    result = templ.render()
+
+    with open(file_path, mode="w", encoding="utf8") as f:
+        f.write(result)
+
+
+if __name__ == "__main__":
+    cli(obj={})

requirements.txt

@@ -1,2 +1,4 @@
 pytest
 black
+click
+jinja2

templates/leetcode.j2

@@ -0,0 +1,15 @@
+import pytest
+
+
+class Solution:
+    pass
+
+
+@pytest.fixture
+def solution():
+    return Solution()
+
+
+@pytest.mark.parametrize("", [])
+def test_search(solution: Solution):
+    pass